ASUS B1M 700-lumen 1280 x 800 HDMI VGA USB SD card reader Short-Throw Ultra-bright Wireless LED Projector Incredibly sharp visuals with 700-lumen light output and WXGA 1280 x 800 resolution Weighing less than 2 lbs and 7" x 5.5" size for professional and traveler and people on- the go Wireless streaming from a smartphone or tablet directly to the projector for meeting and presentation Short throw projection of 51-inch from just 1 meter from the screen Plug and play with built-in SD card reader, and USB 2.0 without a PC, dual 2-watt speakers with ASUS SonicMaster Technology Free ASUS Wi-Fi Projection app gives you access to drop box accounts 0.9 short throw ratio for projection size up to 51-inches at just a 1 meter distance from a display screen